Hermione stomped her foot in annoyance. "Ron, please! Don't be so vulgar! Even if Harry and Ginny were going at it three times a night and all day on Sundays, they won't be "shagging" - they'll be making love! Don't belittle what they have like that!"

- Ruskbyte, Order of The Phoenix, Chapter Thirty: Musings and Hints

Oh, that's good to know, especially because Ginny's only 14, but wasn't the expression "every night and twice on Sunday"? Oh, sorry, I forgot, he's Harry The Boy Who Can Go On All Night Potter. ::rollseyes::